BaseSavingState

BaseSavingState.java

package com.grottworkshop.gwsbase;

import android.os.Bundle;

import java.util.List;


@SuppressWarnings("unused")
public abstract class BaseSavingState implements BaseSaveable {



    public List<? extends BaseSaveable> componentsToSave;

    private BaseSavingState mInstance;


    /**
     * Format, ie how to ove-ride
     *
     * <code>
     *
     *     public init(ObjectOne objectOne, ObjectTwo){
     *         componentsToSave = (Arrays.asList(
     *                objectyOne,
     *                objectTwo));
     *     }
     *
     *
     *
     * </code>
     *
     * Make sure to use your extended BaseSavingStateProvider.getInstance to
     * grab a singleton in initGlobalSingletons() of your extended appclass
     * see javadoc of BaseSavingStateProvider
     *
     */
    public  BaseSavingState(){

    }





    @Override
    public void saveInstanceState(Bundle bundle) {

        Bundle instanceState = new Bundle();
        for (BaseSaveable saveable : componentsToSave) {
            saveable.saveInstanceState(instanceState);
        }
        bundle.putBundle("global-state", instanceState);

    }

    @Override
    public void restoreInstanceState(Bundle bundle) {

        if (bundle == null) {
            return;
        }

        Bundle instanceState = bundle.getBundle("global-state");
        if (instanceState == null) {
            return;
        }

        for (BaseSaveable saveable : componentsToSave) {
            saveable.restoreInstanceState(instanceState);
        }
    }
}